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Author SHA1 Message Date
Hal Finkel 94a6f380bb Fix the PPC subsumes-predicate check 
For one predicate to subsume another, they must both check the same condition
register. Failure to check this prerequisite was causing miscompiles.

Fixes PR18003.

llvm-svn: 197089
 2013-12-11 23:12:25 +00:00